comply with PEP 625: lower case distribution filenames; bump version 2.1.3

* windows-2019 to windows-2022
     * actions/setup-python to v5
     * actions/checkout to v5        in /.github/workflows

.github/workflows/pypi-deploy.yml

@@ -0,0 +1,100 @@
+
+name: CI Build Wheel
+
+on:
+  push:
+    tags: ["v[0-9]+.[0-9]+.[0-9]+"]
+
+jobs:
+
+  build_setup:
+    name: Prepare environment for wheel builds
+    runs-on: ubuntu-24.04
+    steps:
+      - uses: actions/checkout@v2
+      - name: Prepare wheel build
+        run: make -C python/ setup
+      - name: Store wheel configuration files
+        uses: actions/upload-artifact@v4.6.0
+        with:
+          name: wheel-config
+          path: python/
+      - name: Display files
+        run: ls -lR
+
+  build_wheels:
+    name: Build binary wheels on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    needs: [build_setup]
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest]
+
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+      - name: Install cibuildwheel
+        run: python -m pip install cibuildwheel==2.1.2
+      - name: Get wheel configuration files
+        uses: actions/download-artifact@v4.1.7
+        with:
+          name: wheel-config
+          path: python/
+      - name: Build wheels
+        run: python -m cibuildwheel --output-dir wheelhouse
+        working-directory: python/
+      - name: Store binary wheels
+        uses: actions/upload-artifact@v4.6.0
+        with:
+          name: binary-wheels-${{matrix.os}}-${{ strategy.job-index }}
+          path: python/wheelhouse/*.whl
+
+  build_sdist:
+    name: Build source distribution
+    runs-on: ubuntu-24.04
+    needs: [build_setup]
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install cython
+        run: python -m pip install cython==0.29.24
+      - name: Get wheel configuration files
+        uses: actions/download-artifact@v4.1.7
+        with:
+          name: wheel-config
+          path: python/
+      - name: Build sdist
+        run: python setup.py sdist
+        working-directory: python/
+      - name: Store source wheels
+        uses: actions/upload-artifact@v4.6.0
+        with:
+          name: source-wheels
+          path: python/dist/*.tar.gz
+      - name: Display files
+        run: ls -lR
+
+
+  upload_pypi:
+    name: Upload wheels to PyPI
+    runs-on: ubuntu-24.04
+    needs: [build_wheels, build_sdist]
+
+    steps:
+      - name: Get source wheels
+        uses: actions/download-artifact@v4.1.7
+        with:
+          name: source-wheels
+          path: dist/
+      - name: Get binary wheels
+        uses: actions/download-artifact@v4.1.7
+        with:
+          path: dist/
+          pattern: binary-wheels-*
+          merge-multiple: true
+      - name: Display files
+        run: ls -lR
+
+      - uses: pypa/gh-action-pypi-publish@release/v1
+        with:
+          user: __token__
+          password: ${{ secrets.TDMTERMITE_GITHUB_WORKFLOW_PYPI_API_TOKEN }}

.gitignore

@@ -23,3 +23,10 @@ pip/*.cpp
 pip/*.pyx
 pip/*.pxd
 pip/LICENSE
+
+python/3rdparty/
+python/LICENSE
+python/README.md
+python/TDMtermite.cpp
+python/lib/
+

README.md

@@ -1,9 +1,8 @@
 
-[![Total alerts](https://img.shields.io/lgtm/alerts/g/RecordEvolution/TDMtermite.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/RecordEvolution/TDMtermite/alerts/)
-[![Language grade: C/C++](https://img.shields.io/lgtm/grade/cpp/g/RecordEvolution/TDMtermite.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/RecordEvolution/TDMtermite/context:cpp)
-[![Language grade: Python](https://img.shields.io/lgtm/grade/python/g/RecordEvolution/TDMtermite.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/RecordEvolution/TDMtermite/context:python)
 [![LICENSE](https://img.shields.io/github/license/RecordEvolution/TDMtermite)](https://img.shields.io/github/license/RecordEvolution/TDMtermite)
 [![STARS](https://img.shields.io/github/stars/RecordEvolution/TDMtermite)](https://img.shields.io/github/stars/RecordEvolution/TDMtermite)
+![CI Build Wheel](https://github.com/RecordEvolution/TDMtermite/actions/workflows/pypi-deploy.yml/badge.svg?branch=&event=push)
+[![PYPI](https://img.shields.io/pypi/v/TDMtermite.svg)](https://pypi.org/project/tdmtermite/)
 
 # TDMtermite
 
@@ -165,10 +164,10 @@ which makes the module available for import by `import tdm_termite` .
 #### Installation with pip
 
 The package is also available via the [Python Package Index](https://pypi.org) at
-[TDMtermite](https://pypi.org/project/TDMtermite/). To install the latest version simply do
+[TDMtermite](https://pypi.org/project/tdmtermite/). To install the latest version simply do
 
 ```Shell
-python3 -m pip install TDMtermite
+python3 -m pip install tdmtermite
 ```
 
 ##### Unix
@@ -225,21 +224,21 @@ To be able to use the Python module _tdm_termite_, it first has to be built loca
 or installed on the system. In the Python interpreter, simply do:
 
 ```Python
-import tdm_termite
+import tdmtermite
 ```
 
 This will import the module. The TDM files are provided by creating an instance of
-the _tdm_termite_ class:
+the _tdmtermite_ class:
 
 ```Python
-# create 'tdm_termite' instance object
+# create 'tdmtermite' instance object
 try :
-    jack = tdm_termite.tdmtermite(b'samples/SineData.tdm',b'samples/SineData.tdx')
+    jack = tdmtermite.tdmtermite(b'samples/SineData.tdm',b'samples/SineData.tdx')
 except RuntimeError as e:
     print("failed to load/decode TDM files: " + str(e))
 ```
 
-After initializing the _tdm_termite_ object, it can be used to extract any of the
+After initializing the _tdmtermite_ object, it can be used to extract any of the
 available data. For instance, to list the included channelgroups and channels:
 
 ```Python
@@ -255,12 +254,12 @@ As a use case, we have a look at listing the ids of all channelgroups and printi
 their data to separate files:
 
 ```Python
-import tdm_termite
+import tdmtermite
 import re
 
-# create 'tdm_termite' instance object
+# create 'tdmtermite' instance object
 try :
-    jack = tdm_termite.tdmtermite(b'samples/SineData.tdm',b'samples/SineData.tdx')
+    jack = tdmtermite.tdmtermite(b'samples/SineData.tdm',b'samples/SineData.tdx')
 except RuntimeError as e :
     print("failed to load/decode TDM files: " + str(e))
 
@@ -294,8 +293,8 @@ to simply extract all data of the TDM datatset and dump it to files in a given
 (existing!) directory, do
 
 ```Python
-import tdm_termite
+import tdmtermite
-jack = tdm_termite.tdmtermite(b'samples/SineData.tdm',b'samples/SineData.tdx')
+jack = tdmtermite.tdmtermite(b'samples/SineData.tdm',b'samples/SineData.tdx')
 jack.write_all(b"./my_tdm_data_directory/")
 ```
 

cython/requirements.txt

@@ -1 +0,0 @@
-Cython==0.29.21

cython/setup.py

@@ -1,47 +0,0 @@
-from distutils.core import setup
-from distutils.extension import Extension
-from Cython.Build import cythonize
-import os
-import sys
-
-print("building on platform: "+sys.platform)
-os.system("git tag > gittags.log")
-with open ("gittags.log","r") as gt:
-    taglst = gt.readlines()
-os.remove("gittags.log")
-if len(taglst) > 0 :
-    version = taglst[-1].replace('\n','').replace('v','')
-else:
-    version = 'unkown'
-print("building version: "+version)
-
-if sys.platform == "linux" or sys.platform == "darwin" :
-	cmpargs = ['-std=c++17','-Wno-unused-variable']
-	lnkargs = ['-std=c++17','-Wno-unused-variable']
-elif sys.platform == "win32" :
-	cmpargs = ['/EHsc','/std:c++17']
-	lnkargs = []
-else :
-	raise RuntimeError("unknown platform") 
-
-extensions = Extension(
-    name="tdm_termite",
-    sources=["cython/py_tdm_termite.pyx"],
-    # libraries=[""],
-    # library_dirs=["lib"],
-    include_dirs=["lib","3rdparty/pugixml"],
-    language='c++',
-    #extra_compile_args=['-std=c++17','-Wno-unused-variable'],
-    extra_compile_args= cmpargs,
-    extra_link_args= lnkargs,
-)
-
-setup(
-    version=version,
-    description='TDMtermite cython extension',
-    author='Record Evolution GmbH',
-    author_email='mario.fink@record-evolution.de',
-    url='https://github.com/RecordEvolution/TDMtermite.git',
-    name="tdm_termite",
-    ext_modules=cythonize(extensions)
-)

lib/tdm_datatype.hpp

@@ -14,6 +14,7 @@ typedef unsigned short int eUInt16Usi;
 typedef unsigned int eUInt32Usi;
 typedef float eFloat32Usi;
 typedef double eFloat64Usi;
+typedef char eStringUsi;
 
 class tdmdatatype
 {
@@ -26,12 +27,13 @@ protected:
   eUInt32Usi uint32_;   // 4
   eFloat32Usi float32_; // 5
   eFloat64Usi float64_; // 6
-  short int dtidx_;     // \in \{0,...,6\}
+  eStringUsi string_;   // 7
+  short int dtidx_;     // \in \{0,...,7\}
 
 public:
   tdmdatatype(): sint16_(0), sint32_(0),
                  uint8_(0), uint16_(0), uint32_(0),
-                 float32_(0.0), float64_(0.0),
+                 float32_(0.0), float64_(0.0), string_(0),
                  dtidx_(0) { };
   // every supported datatype gets its own constructor
   tdmdatatype(eInt16Usi num): sint16_(num), dtidx_(0) {};
@@ -41,6 +43,7 @@ public:
   tdmdatatype(eUInt32Usi num): uint32_(num), dtidx_(4) {};
   tdmdatatype(eFloat32Usi num): float32_(num), dtidx_(5) {};
   tdmdatatype(eFloat64Usi num): float64_(num), dtidx_(6) {};
+  tdmdatatype(eStringUsi num): string_(num), dtidx_(7) {};
 
   // identify type
   short int& dtype() { return dtidx_; }
@@ -55,6 +58,7 @@ public:
     this->uint32_ = num.uint32_;
     this->float32_ = num.float32_;
     this->float64_ = num.float64_;
+    this->string_ = num.string_;
     this->dtidx_ = num.dtidx_;
   }
 
@@ -70,6 +74,7 @@ public:
       this->uint32_ = num.uint32_;
       this->float32_ = num.float32_;
       this->float64_ = num.float64_;
+      this->string_ = num.string_;
       this->dtidx_ = num.dtidx_;
     }
 
@@ -119,6 +124,12 @@ public:
     this->dtidx_ = 6;
     return *this;
   }
+  tdmdatatype& operator=(const eStringUsi &num)
+  {
+    this->string_ = num;
+    this->dtidx_ = 7;
+    return *this;
+  }
 
   // obtain number as double
   double as_double()
@@ -131,6 +142,7 @@ public:
     else if ( dtidx_ == 4 ) num = (double)uint32_;
     else if ( dtidx_ == 5 ) num = (double)float32_;
     else if ( dtidx_ == 6 ) num = (double)float64_;
+    else if ( dtidx_ == 7 ) num = (double)(int)string_;
     return num;
   }
 
@@ -144,6 +156,7 @@ public:
     else if ( num.dtidx_ == 4 ) out<<num.uint32_;
     else if ( num.dtidx_ == 5 ) out<<num.float32_;
     else if ( num.dtidx_ == 6 ) out<<num.float64_;
+    else if ( num.dtidx_ == 7 ) out<<num.string_;
     return out;
   }
 
@@ -332,7 +345,7 @@ const std::vector<tdm_datatype> tdm_datatypes = {
   {"eFloat32Usi","DT_FLOAT",3,"float_sequence",4,"32 bit float"},
   {"eFloat64Usi","DT_DOUBLE",7,"double_sequence",8,"64 bit double"},
 
-  // {"eStringUsi","DT_STRING",1,"string_sequence",0,"text"}
+  {"eStringUsi","DT_STRING",1,"string_sequence",1,"text"}
 
 };
 

lib/tdm_termite.cpp

@@ -194,12 +194,31 @@ void tdm_termite::process_include(bool showlog, pugi::xml_document& xml_doc)
 
   // check endianness
   std::string endianness(tdmincl.child("file").attribute("byteOrder").value());
-  endianness_ = endianness.compare("littleEndian") == 0 ? true : false;
+  // endianness_ = endianness.compare("littleEndian") == 0 ? true : false;
+  if ( endianness.compare("littleEndian") == 0 )
+  {
+    endianness_ = true;
+  }
+  else if ( endianness.compare("bigEndian") == 0 )
+  {
+    endianness_ = false;
+  }
+  else
+  {
+    throw std::runtime_error(std::string("unsupported endianness: ") + endianness);
+  }
 
   // obtain machine's endianness
-  int num = 1;
+  machine_endianness_ = this->detect_endianness();
-  machine_endianness_ = ( *(char*)&num == 1 );
+  // if ( machine_endianness_ != endianness_ )
-  if ( machine_endianness_ != endianness_ ) throw std::runtime_error("endianness mismatch");
+  // {
+  //   std::stringstream ss;
+  //   ss<<"endianness mismatch: "<<"TDM = "<<(endianness_?"little":"big")
+  //                              <<" , "
+  //                              <<"Arch = "<<(machine_endianness_?"little":"big");
+  //   // std::cout<<ss.str()<<"\n";
+  //   // throw std::runtime_error(ss.str());
+  // }
 
   // list block of massdata
   for (pugi::xml_node anode: tdmincl.child("file").children())
@@ -452,7 +471,7 @@ void tdm_termite::process_localcolumns(bool showlog, pugi::xml_document& xml_doc
     }
     else
     {
-      throw std::logic_error("localcolumn with out/multiple values id(s)");
+      throw std::logic_error("localcolumn with multiple values id(s)");
     }
 
     // add external id referring to block in <usi:include>
@@ -652,6 +671,20 @@ std::vector<tdmdatatype> tdm_termite::get_channel(std::string& id)
     }
     block blk = tdx_blocks_.at(loccol.external_id_);
 
+    // find corresponding submatrix
+    if ( submatrices_.count(loccol.submatrix_) != 1 )
+    {
+      throw std::runtime_error(std::string("no associated submatrix for localcolumn found: ") + loccol.id_);
+    }
+    submatrix subm = submatrices_.at(loccol.submatrix_);
+    if ( subm.number_of_rows_ != blk.length_ )
+    {
+      std::stringstream ss;
+      ss<<"number of rows in submatrix "<<subm.id_<<" ("<<subm.number_of_rows_<<") "
+        <<" does not agree with length of associated block "<<blk.id_<<" ("<<blk.length_<<")";
+      throw std::runtime_error(ss.str());
+    }
+
     // declare vector of appropriate length
     std::vector<tdmdatatype> datavec(blk.length_);
 
@@ -705,6 +738,10 @@ std::vector<tdmdatatype> tdm_termite::get_channel(std::string& id)
     {
       this->convert_data_to_type<eFloat64Usi>(tdxblk,datavec);
     }
+    else if ( blk.value_type_ == std::string("eStringUsi") )
+    {
+      this->convert_data_to_type<eStringUsi>(tdxblk,datavec);
+    }
     else
     {
       throw std::runtime_error(std::string("unsupported/unknown datatype") + blk.value_type_);
@@ -1001,6 +1038,10 @@ void tdm_termite::check_datatype_consistency()
     {
       if ( el.size_ != sizeof(eFloat64Usi) ) throw std::logic_error("invalid representation of eFloat64Usi");
     }
+    else if ( el.name_ == "eStringUsi" )
+    {
+      if ( el.size_ != sizeof(eStringUsi) ) throw std::logic_error("invalid representation of eStringUsi");
+    }
     else
     {
       throw std::logic_error("missing datatype validation");
@@ -1029,9 +1070,17 @@ void tdm_termite::convert_data_to_type(std::vector<unsigned char> &buffer,
     uint8_t* dfcast = reinterpret_cast<uint8_t*>(&df);
 
     for ( unsigned long int j = 0; j < sizeof(datatype); j++ )
+    {
+      // matching byte order between TDM/TDX and machine's architecture ?
+      if ( machine_endianness_ == endianness_ )
       {
         dfcast[j] = (int)buffer[i*sizeof(datatype)+j];
       }
+      else
+      {
+        dfcast[j] = (int)buffer[(i+1)*sizeof(datatype)-(j+1)];
+      }
+    }
 
     // save number in channel
     channel[i] = df;

lib/tdm_termite.hpp

@@ -64,6 +64,29 @@ class tdm_termite
   std::vector<unsigned char> tdxbuffer_;
   std::ifstream *tdx_ifstream_;
 
+  // find machine's endianness at runtime
+  // detect machine endianness (C++20 !!)
+  // if ( std::endian::native == std::endian::little )
+  // {
+  //   machine_endianness_ = true;
+  // }
+  // else if ( std::endian::native == std::endian::big )
+  // {
+  //   machine_endianness_ = false;
+  // }
+  // else
+  // {
+  //   throw std::runtime_error("mixed endianness architecture is not supported");
+  // }
+  bool detect_endianness()
+  {
+    // int num = 1;
+    // machine_endianness_ = ( *(char*)&num == 1 );
+    std::uint32_t num = 0x11223344;
+    uint8_t* dfc = reinterpret_cast<uint8_t*>(&num);
+    return ( dfc[0] == 0x44 );
+  }
+
   // extract list of identifiers from e.g. "#xpointer(id("usi12") id("usi13"))"
   std::vector<std::string> extract_ids(std::string idstring)
   {

makefile

@@ -13,18 +13,16 @@ HPP = $(wildcard lib/*.hpp)
 CC = g++ -std=c++17
 
 # compiler options and optimization flags
-OPT = -O3 -Wall -Werror -Wunused-variable -Wsign-compare
+OPT = -O3 -Wall -Wconversion -Wpedantic -Wunused-variable -Wsign-compare
 
 # include 3rd party libraries paths
 LIBB := 3rdparty/
 LIB := $(foreach dir,$(shell ls $(LIBB)),-I $(LIBB)$(dir))
 
 # determine git version/commit tag
-GTAG := $(shell git tag | tail -n1)
+GTAG := $(shell git tag -l --sort=version:refname | tail -n1 | sed "s/$^v//g")
-GTAGV := $(shell git tag | tail -n1 | tr -d 'v')
 GHSH := $(shell git rev-parse HEAD | head -c8)
-PIPYVS := $(shell grep "version" pip/setup.py | tr -d 'version=,\#\" ')
+GVSN := $(shell cat python/VERSION | tr -d ' \n')
-PICGVS := $(shell grep "version" pip/setup.cfg | tr -d 'version=,\#\" ')
 
 # current timestamp
 TMS = $(shell date +%Y%m%dT%H%M%S)
@@ -37,31 +35,20 @@ OST := $(shell uname)
 CWD := $(shell pwd)
 
 # --------------------------------------------------------------------------- #
-# version/tag check
+# C++ and CLI tool
 
-checkversion:
+# check tags and build executable
-	@echo "git tag:                "$(GTAG)
+exec: check-tags $(GVSN) $(EXE)
-	@echo "git head:               "$(GHSH)
-	@echo "pip setup.py version:   "$(PIPYVS)
-	@echo "pip setup.cfg version:  "$(PICGVS)
 
-$(GTAGV):
+# build executable
-	@echo "check consistent versions (git tag vs. setup.py): "$(GTAG)" <-> "$(PIPYVS)" "
+$(EXE): $(SRC).o main.o
-
-# --------------------------------------------------------------------------- #
-# CLI tool
-
-$(EXE) : main.o $(SRC).o
 	$(CC) $(OPT) $^ -o $@
 
-install : $(EXE)
+$(SRC).o : lib/$(SRC).cpp lib/$(SRC).hpp $(HPP)
-	cp $< $(INST)/
+	$(CC) -c $(OPT) $(LIB) $< -o $@
-
-uninstall : $(INST)/$(EXE)
-	rm $<
 
 # build main.cpp object file and include git version/commit tag
-main.o : src/main.cpp lib/$(SRC).hpp $(HPP)
+main.o: src/main.cpp lib/$(SRC).hpp $(HPP)
 	@cp $< $<.cpp
 	@if [ $(OST) = "Linux" ]; then\
 		sed -i 's/TAGSTRING/$(GTAG)/g' $<.cpp; \
@@ -76,8 +63,11 @@ main.o : src/main.cpp lib/$(SRC).hpp $(HPP)
 	$(CC) -c $(OPT) $(LIB) -I lib/ $<.cpp -o $@
 	@rm $<.cpp
 
-$(SRC).o : lib/$(SRC).cpp lib/$(SRC).hpp $(HPP)
+install: $(EXE)
-	$(CC) -c $(OPT) $(LIB) $< -o $@
+	cp $< $(INST)/
+
+uninstall : $(INST)/$(EXE)
+	rm $<
 
 tdmtest : tdmtest.o
 	$(CC) $(OPT) $^ -o $@
@@ -86,38 +76,19 @@ tdmtest.o : src/test.cpp lib/$(SRC).hpp $(HPP)
 	$(CC) -c $(OPT) $(LIB) -I lib/ $< -o $@
 
 cpp-clean :
-	rm -f $(EXE) *.o src/main.cpp.cpp tdmtest
+	rm -vf $(EXE)
+	rm -vf *.o src/main.cpp.cpp tdmtest
 
-# --------------------------------------------------------------------------- #
+#-----------------------------------------------------------------------------#
-# check process
+# versions
 
-checkps :
+$(GTAG):
-	@ps aux | head -n1
+	@echo "consistent versions check successful: building $(GTAG)"
-	@ps aux | grep $(EXE) | grep -v "grep"
 
-# --------------------------------------------------------------------------- #
+check-tags:
-# python/cython module
+	@echo "latest git tag:  $(GTAG)"
-
+	@echo "latest git hash: $(GHSH)"
-cython-requirements: cython/requirements.txt
+	@echo "python version:  $(GVSN)"
-	python3 -m pip install -r $<
-
-cython-help : cython/setup.py
-	python3 $< --help
-
-cython-list : cython/setup.py
-	python3 $< --name --description --author --author-email --url
-
-cython-build : cython/setup.py cython/tdm_termite.pxd cython/py_tdm_termite.pyx $(HPP) lib/tdm_termite.cpp
-	python3 $< build_ext --inplace
-	cp -v tdm_termite.cpython-*.so python/
-
-cython-install : cython/setup.py cython/tdm_termite.pxd cython/py_tdm_termite.pyx $(HPP) lib/tdm_termite.cpp
-	python3 $< install
-
-cython-clean :
-	rm -vf cython/py_tdm_termite.c* cython/tdm_termite.c*
-	rm -vf tdm_termite.cpython-*.so python/tdm_termite.cpython-*.so
-	rm -rf build
 
 # --------------------------------------------------------------------------- #
 # docker
@@ -134,17 +105,32 @@ docker-clean:
 	docker image remove tdmtermite
 
 # --------------------------------------------------------------------------- #
-# pip
+# check process
 
-pip-publish: $(PIPYVS) cython-build
+checkps :
-	cd pip/ && make pip-publish
+	@ps aux | head -n1
-
+	@ps aux | grep $(EXE) | grep -v "grep"
-pip-test:
-	cd pip/ && make pip-test
 
 # --------------------------------------------------------------------------- #
+# python
 
-clean : cpp-clean cython-clean
+python-build: check-tags $(GVSN)
-	cd pip/ && make pip-clean
+	make -C python/ build-inplace
+	cp python/TDMtermite*.so ./ -v
+
+python-install: check-tags $(GVSN)
+	make -C python/ install
+
+python-clean:
+	make -C python/ clean
+	rm -vf TDMtermite*.so
+
+python-test:
+	PYTHONPATH=./ python python/examples/usage.py
+
+# --------------------------------------------------------------------------- #
+# clean
+
+clean : cpp-clean python-clean
 
 # --------------------------------------------------------------------------- #

pip/Dockerfile

@@ -1,15 +0,0 @@
-
-FROM debian:bullseye
-
-RUN DEBIAN_FRONTEND=noninteractive \
-  apt-get update && apt-get upgrade -y && apt-get install -y \
-  python3 \
-  python3-pip \
-  python3-setuptools
-
-# RUN python3 -m pip install -i https://test.pypi.org/simple/ TDMtermite-RecordEvolution==0.6.7 && \
-#   python3 -m pip install --upgrade TDMtermite-RecordEvolution
-RUN python3 -m pip install TDMtermite
-
-# CMD ["sleep","3600"]
-CMD ["python3","-m","pip","freeze"]

pip/Dockerfile-manylinux

@@ -1,25 +0,0 @@
-
-FROM quay.io/pypa/manylinux2010_x86_64
-
-RUN yum -y install \
-    git \
-    python34-devel \
-    gcc-c++ \
-    python34-tkinter \
-    make \
-    python34-pip \
-    
-RUN sudo yum -y install rh-python36-python-devel.x86_64 rh-python35-python-devel.x86_64 python27-python-devel.x86_64
-
-ENV PATH /opt/rh/python27/root/usr/bin:/opt/rh/rh-python35/root/usr/bin/:/opt/rh/rh-python36/root/usr/bin/:$PATH
-
-RUN  python3.6 -m pip install --user --upgrade cython wheel twine auditwheel
-
-WORKDIR /home/${USERNAME}/neuron-yale
-
-RUN  git checkout setuppy \
-     && python3.6 setup.py bdist_wheel
-
-# repair wheel? see : https://malramsay.com/post/perils_of_packaging/
-RUN python3.6 -m pip install --user --upgrade auditwheel
-RUN LD_LIBRARY_PATH=`pwd`/_install/lib auditwheel repair dist/NEURON-7.8-cp36-cp36m-linux_x86_64.whl

pip/bkup.pyproject.toml

@@ -1,4 +0,0 @@
-[build-system]
-requires = [
-    "setuptools"
-]

pip/makefile

@@ -1,62 +0,0 @@
-# --------------------------------------------------------------------------- #
-
-pip-publish: pip-sdist pip-upload
-
-pip-sdist: ../cython/py_tdm_termite.pyx ../cython/tdm_termite.pxd ../cython/py_tdm_termite.cpp
-	cp -v ../cython/py_tdm_termite.pyx ../cython/tdm_termite.pxd ./
-	cp -v ../cython/py_tdm_termite.cpp ./
-	cp -v ../lib/*.hpp ../lib/*.cpp ./
-	cp -v ../3rdparty/pugixml/* ./
-	cat ../README.md | grep '^# TDMtermite' -A 50000 > ./README.md
-	cp -v ../LICENSE ./
-	# cython py_tdm_termite.pyx -o py_tdm_termite.cpp
-	python3 setup.py sdist
-
-pip-setup:
-	apt-get install -y python3-setuptools \
-	                   python3-pip \
-	                   python3-venv
-	python3 -m pip install --upgrade build
-	python3 -m pip install twine wheel auditwheel cython
-	python3 -m pip install --user --upgrade twine
-
-pip-build:
-	#python3 -m build
-	# python3 setup.py sdist bdist_wheel
-	python3 setup.py bdist_wheel
-
-# actually it seems we have to use CentOS container
-# docker run -i -t -v `pwd`:/io quay.io/pypa/manylinux1_x86_64 /bin/bash
-# see https://github.com/neuronsimulator/nrn/issues/329 for setup of the container
-
-pip-audit:
-	auditwheel repair $(shell find dist/ -name "*-cp38-cp38-linux_x86_64.whl")
-
-# username: __token__
-# password: API-token including "pypi-"
-# !! RUN AS ROOT!! (only for bdist_wheel + auditwheel)
-pip-upload-test:
-	python3 -m twine upload --repository testpypi dist/$(shell ls -t dist/ | head -n1)
-
-pip-upload:
-	python3 -m twine upload dist/$(shell ls -t dist/ | head -n1)
-
-pip-test-install:
-	python3 -m pip install --index-url https://test.pypi.org/simple --no-deps TDMtermite-RecordEvolution
-	# python3 -m pip install -i https://test.pypi.org/simple/ TDMtermite-RecordEvolution==0.5
-
-pip-test:
-	docker build . --tag tdmtermite-piptest
-	docker run -it --rm tdmtermite-piptest
-
-pip-clean:
-	rm -rvf dist/
-	rm -rvf *.egg-info
-	rm -rvf build/
-	rm -rvf cython/
-	rm -rvf wheelhouse/
-	rm -vf *.pyx *.pxd
-	rm -vf *.cpp *.c *.hpp
-	rm -vf README.md LICENSE
-
-# --------------------------------------------------------------------------- #

pip/setup.cfg

@@ -1,21 +0,0 @@
-[metadata]
-name = TDMtermite-RecordEvolution
-version = 1.0.1
-author = Record Evolution GmbH
-author_email = mario.fink@record-evolution.de
-maintainer = Record Evolution GmbH
-license = MIT
-description = Extract and read data from National Instruments LabVIEW tdx/tdm files and export them as csv files
-long_description = file: README.md
-long_description_content_type = text/markdown
-url = https://github.com/RecordEvolution/TDMtermite.git
-project_urls =
-    Bug Tracker = https://github.com/RecordEvolution/TDMtermite/issues
-classifiers =
-    Programming Language :: Python :: 3
-    License :: OSI Approved :: MIT License
-    Operating System :: OS Independent
-
-[options]
-packages = find:
-python_requires = >=3.6

pip/setup.py

@@ -1,49 +0,0 @@
-
-from setuptools import setup, Extension
-import sys
-
-print("building on platform: "+sys.platform)
-
-if sys.platform == "linux" or sys.platform == "darwin" :
-	cmpargs = ['-std=c++17','-Wno-unused-variable']
-	lnkargs = ['-std=c++17','-Wno-unused-variable']
-elif sys.platform == "win32" :
-	cmpargs = ['/EHsc','/std:c++17']
-	lnkargs = []
-else :
-	raise RuntimeError("unknown platform")
-
-with open("README.md", "r", encoding="utf-8") as fh:
-    long_description = fh.read()
-
-setup(
-    name="TDMtermite",
-    version="1.0.3",
-    author="Record Evolution GmbH",
-    author_email="mario.fink@record-evolution.de",
-    maintainer="Record Evolution GmbH",
-    license="MIT",
-    description="Extract and read data from National Instruments LabVIEW tdx/tdm files and export them as csv files",
-    keywords="TDM/TDX NationalInstruments LabVIEW decode",
-    long_description=long_description,
-    long_description_content_type="text/markdown",
-    url="https://github.com/RecordEvolution/TDMtermite.git",
-    project_urls={
-        "Bug Tracker": "https://github.com/RecordEvolution/TDMtermite/issues",
-    },
-    classifiers=[
-        "Programming Language :: Python :: 3",
-        "License :: OSI Approved :: MIT License",
-        "Operating System :: OS Independent",
-    ],
-    ext_modules=[Extension("tdm_termite",
-                           ["py_tdm_termite.cpp"],
-                           # libraries_dirs = ["cython/"],
-                           # include_dirs = ["3rdparty/pugixml/","lib/"],
-                           # depends = ["../lib/tdm_termite.hpp"]
-                           language = 'c++',
-                           extra_compile_args = cmpargs,
-                           extra_link_args = lnkargs,
-                           )
-	],
-)

python/MANIFEST.in

@@ -1,4 +1,4 @@
-include *.hpp
+include lib/*.hpp
 include *.cpp
 include *.pyx
 include *.pxd

python/VERSION

@@ -0,0 +1 @@
+2.1.3

python/examples/custom.py

@@ -1,11 +1,11 @@
 
-import tdm_termite
+import tdmtermite
 import json
 import re
 
 # create 'tdm_termite' instance object
 try :
-    jack = tdm_termite.tdmtermite(b'samples/SineData.tdm',b'samples/SineData.tdx')
+    jack = tdmtermite.tdmtermite(b'samples/SineData.tdm',b'samples/SineData.tdx')
 except RuntimeError as e :
     print("failed to load/decode TDM files: " + str(e))
 

python/examples/minimal.py

@@ -1,9 +1,9 @@
 
-import tdm_termite
+import tdmtermite
 
 # create 'tdm_termite' instance object
 try :
-    jack = tdm_termite.tdmtermite(b'samples/SineData.tdm',b'samples/SineData.tdx')
+    jack = tdmtermite.tdmtermite(b'samples/SineData.tdm',b'samples/SineData.tdx')
     # list ids of channelgroups
     grpids = jack.get_channelgroup_ids()
     # iterate through groups

python/examples/usage.py

@@ -1,12 +1,12 @@
 
-import tdm_termite
+import tdmtermite
 # import numpy as np
 import json
 import re
 
 # create 'tdm_termite' instance object
 try :
-    jack = tdm_termite.tdmtermite(b'samples/SineData.tdm',b'samples/SineData.tdx')
+    jack = tdmtermite.tdmtermite(b'samples/SineData.tdm',b'samples/SineData.tdx')
 except RuntimeError as e :
     print("failed to load/decode TDM files: " + str(e))
 

python/makefile

@@ -0,0 +1,60 @@
+
+setup:
+	cat ../README.md | grep '^# TDMtermite' -A 50000 > ./README.md
+	#pandoc -f markdown -t rst -o README.rst README.md
+	#python -m rstvalidator README.rst
+	cp -r ../lib ./
+	cp -r ../3rdparty ./
+	cp -v ../LICENSE ./
+
+setup-clean:
+	rm -vf README.md README.rst LICENSE
+	rm -rf lib/ 3rdparty/
+
+build: setup
+	python setup.py build
+
+build-inplace: setup
+	python setup.py build_ext --inplace
+
+build-install: setup
+	python setup.py install
+
+build-sdist: setup
+	python setup.py sdist
+	python -m twine check dist/*
+
+build-bdist: setup
+	python setup.py bdist
+	python -m twine check dist/*
+
+build-clean:
+	python setup.py clean --all
+	rm -vf tdmtermite*.so tdmtermite*.cpp
+	rm -rvf dist/ tdmtermite.egg-info/
+
+cibuildwheel-build: setup
+	cibuildwheel --platform linux
+
+cibuildwheel-clean:
+	rm -rvf wheelhouse/
+
+pypi-audit:
+	auditwheel repair $(shell find dist/ -name "*-linux_x86_64.whl")
+
+# username: __token__
+# password: API-token including "pypi-"
+pypi-upload-test:
+	python -m twine upload --repository testpypi dist/$(shell ls -t dist/ | head -n1)
+
+pypi-install-test:
+	python -m pip install --index-url https://test.pypi.org/simple --no-deps TDMtermite-RecordEvolution
+	# python3 -m pip install -i https://test.pypi.org/simple/ TDMtermite-RecordEvolution==0.5
+
+pypi-upload:
+	python -m twine upload dist/$(shell ls -t dist/ | head -n1)
+
+clean: setup build-clean cibuildwheel-clean setup-clean
+
+run-example:
+	PYTHONPATH=$(pwd) python examples/usage.py

python/pyproject.toml

@@ -0,0 +1,6 @@
+[build-system]
+requires = ["setuptools", "wheel","Cython"]
+build-backend = "setuptools.build_meta"
+
+[tool.cibuildwheel]
+before-all = ""

python/setup.cfg

@@ -0,0 +1,23 @@
+
+[metadata]
+name = tdmtermite
+description = Extract and read data from National Instruments LabVIEW tdx/tdm files and export them as csv files
+long_description = file: README.md
+# long_description_content_type = text/x-rst
+long_description_content_type = text/markdown
+version = file: VERSION
+author = Record Evolution GmbH
+author_email = mario.fink@record-evolution.de
+maintainer = Record Evolution GmbH
+url= https://github.com/RecordEvolution/TDMtermite.git
+license = MIT License
+license_files = LICENSE
+keywords = TDM, TDX, National Instruments, DIAdem, LabVIEW, Measurement Studio, SignalExpress
+classifiers =
+  Programming Language :: Python :: 3
+  License :: OSI Approved :: MIT License
+  Operating System :: OS Independent
+  Topic :: Scientific/Engineering
+  Topic :: Software Development :: Libraries :: Python Modules
+
+[options]

python/setup.py

@@ -0,0 +1,23 @@
+from setuptools import Extension, setup
+from Cython.Build import cythonize
+import sys
+
+print("building on platform: "+sys.platform)
+
+cmpArgs = {
+    "linux": ['-std=c++17','-Wno-unused-variable'],
+    "darwin": ['-std=c++17','-Wno-unused-variable'],
+    "win32": ['/EHsc','/std:c++17']
+}
+
+extension = Extension(
+    "tdmtermite",
+    language='c++',
+    sources=["tdmtermite.pyx"],
+    include_dirs=["lib","3rdparty/pugixml"],
+    extra_compile_args=cmpArgs[sys.platform]
+)
+
+setup(
+    ext_modules=cythonize(extension,language_level=3)
+)

python/tdmtermite.pxd

@@ -1,28 +1,34 @@
-# cython: language_level = 3
 
 # use some C++ STL libraries
 from libcpp.string cimport string
 from libcpp.vector cimport vector
 from libcpp cimport bool
 
-cdef extern from "tdm_termite.cpp":
+cdef extern from "lib/tdm_termite.cpp":
   pass
 
-cdef extern from "tdm_termite.hpp":
+cdef extern from "lib/tdm_termite.hpp":
-  cdef cppclass tdm_termite:
+
+  cdef cppclass cpptdmtermite "tdm_termite":
+
     # constructor(s)
-    tdm_termite() except +
+    cpptdmtermite() except +
-    tdm_termite(string tdmfile, string tdxfile) except +
+    cpptdmtermite(string tdmfile, string tdxfile) except +
+
     # provide TDM files
     void submit_files(string tdmfile, string tdxfile) except+
+
     # get list of channel(-group) ids
     vector[string] get_channelgroup_ids() except+
     vector[string] get_channel_ids() except+
+
     # get data of specific channel
     vector[double] get_channel_as_double(string id) except+
+
     # get meta-data
     string get_channelgroup_info(string id) except+
     string get_channel_info(string id) except+
+
     # print a channel(-group)
     void print_group(string id, const char* filename, bool include_meta,
                      char delimiter, string column_header) except+

python/tdmtermite.pyx

@@ -1,51 +1,52 @@
 # distutils: language = c++
+# cython: language_level = 3
+
+from tdmtermite cimport cpptdmtermite
 
-from tdm_termite cimport tdm_termite
 import json as jn
-# import numpy as np
 
 cdef class tdmtermite:
 
   # C++ instance of class => stack allocated (requires nullary constructor!)
-  cdef tdm_termite cpp_tdm
+  cdef cpptdmtermite cpptdm
 
   # constructor
   def __cinit__(self, string tdmfile, string tdxfile):
-    self.cpp_tdm = tdm_termite(tdmfile,tdxfile)
+    self.cpptdm = cpptdmtermite(tdmfile,tdxfile)
 
   # provide TDM files
   def submit_files(self,string tdmfile, string tdxfile):
-    self.cpp_tdm.submit_files(tdmfile,tdxfile)
+    self.cpptdm.submit_files(tdmfile,tdxfile)
 
   # get list of channel(-group) ids
   def get_channelgroup_ids(self):
-    return self.cpp_tdm.get_channelgroup_ids()
+    return self.cpptdm.get_channelgroup_ids()
   def get_channel_ids(self):
-    return self.cpp_tdm.get_channel_ids()
+    return self.cpptdm.get_channel_ids()
 
   # get data of specific channel
   def get_channel(self, string id):
-    return self.cpp_tdm.get_channel_as_double(id)
+    return self.cpptdm.get_channel_as_double(id)
 
   # get meta-data of channel(-group) (as dictionary)
   def get_channelgroup_info(self, string id):
-    grpstr = self.cpp_tdm.get_channelgroup_info(id)
+    grpstr = self.cpptdm.get_channelgroup_info(id)
     return jn.loads(grpstr.decode())
   def get_channel_info(self, string id):
-    chnstr = self.cpp_tdm.get_channel_info(id)
+    chnstr = self.cpptdm.get_channel_info(id)
     return jn.loads(chnstr.decode())
 
   # print a channel(-group)
   def print_channelgroup(self, string id, const char* filename, bool include_meta,
                                char delimiter, string column_header):
-    self.cpp_tdm.print_group(id,filename,include_meta,delimiter,column_header)
+    self.cpptdm.print_group(id,filename,include_meta,delimiter,column_header)
   def print_channel(self, string id, const char* filename,
                           bool include_meta):
-    self.cpp_tdm.print_channel(id,filename,include_meta)
+    self.cpptdm.print_channel(id,filename,include_meta)
 
   # print all data grouped by channelgroups
   def write_all(self, string outputdir) :
-    grpids = self.cpp_tdm.get_channelgroup_ids()
+    grpids = self.cpptdm.get_channelgroup_ids()
     for id in grpids :
       grpfile = outputdir.decode() + "/channelgroup_" + id.decode() + ".csv"
-      self.cpp_tdm.print_group(id,grpfile.encode(),True,ord(','),"".encode())
+      self.cpptdm.print_group(id,grpfile.encode(),True,ord(','),"".encode())

samples/SineData-be.tdm

@@ -0,0 +1,369 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no" ?>
+<usi:tdm xmlns:usi="http://www.ni.com/Schemas/USI/1_0" version="1.0">
+
+  <usi:documentation>
+    <usi:exporter>National Instruments USI</usi:exporter>
+    <usi:exporterVersion>1.5</usi:exporterVersion>
+  </usi:documentation>
+
+  <usi:model modelName="National Instruments USI generated meta file" modelVersion="1.0">
+    <usi:include nsUri="http://www.ni.com/DataModels/USI/TDM/1_0"/>
+  </usi:model>
+
+  <usi:include>
+    <file byteOrder="bigEndian" url="SineData-be.tdx">
+      <block byteOffset="0" id="inc0" length="1000" valueType="eFloat64Usi"/>
+      <block byteOffset="8000" id="inc1" length="1000" valueType="eFloat64Usi"/>
+      <block byteOffset="16000" id="inc2" length="1000" valueType="eFloat64Usi"/>
+      <block byteOffset="24000" id="inc3" length="1000" valueType="eFloat64Usi"/>
+      <block byteOffset="32000" id="inc4" length="1000" valueType="eFloat64Usi"/>
+      <block byteOffset="40000" id="inc5" length="1000" valueType="eFloat64Usi"/>
+      <block byteOffset="48000" id="inc6" length="1000" valueType="eFloat64Usi"/>
+      <block byteOffset="56000" id="inc7" length="1000" valueType="eFloat64Usi"/>
+      <block byteOffset="64000" id="inc8" length="1000" valueType="eFloat64Usi"/>
+      <block byteOffset="72000" id="inc9" length="1000" valueType="eFloat64Usi"/>
+    </file>
+  </usi:include>
+
+  <usi:data>
+    <double_sequence id="usi1">
+      <values external="inc0"/>
+    </double_sequence>
+    <double_sequence id="usi2">
+      <values external="inc1"/>
+    </double_sequence>
+    <double_sequence id="usi3">
+      <values external="inc2"/>
+    </double_sequence>
+    <double_sequence id="usi4">
+      <values external="inc3"/>
+    </double_sequence>
+    <double_sequence id="usi5">
+      <values external="inc4"/>
+    </double_sequence>
+    <double_sequence id="usi6">
+      <values external="inc5"/>
+    </double_sequence>
+    <double_sequence id="usi7">
+      <values external="inc6"/>
+    </double_sequence>
+    <double_sequence id="usi8">
+      <values external="inc7"/>
+    </double_sequence>
+    <double_sequence id="usi9">
+      <values external="inc8"/>
+    </double_sequence>
+    <double_sequence id="usi10">
+      <values external="inc9"/>
+    </double_sequence>
+    <tdm_root id="usi11">
+      <name>SineData.TDM</name>
+      <description>Sine signals of various amplitudes and frequencies.</description>
+      <title>SineData</title>
+      <author>National Instruments</author>
+      <datetime>2008-05-06T17:20:12.65074539184570313</datetime>
+      <channelgroups>#xpointer(id("usi12") id("usi13"))</channelgroups>
+    </tdm_root>
+    <tdm_channelgroup id="usi12">
+      <name>Amplitudes</name>
+      <description>Sine Signals of various amplitudes.</description>
+      <root>#xpointer(id("usi11"))</root>
+      <instance_attributes>
+        <double_attribute name="Frequency">1</double_attribute>
+      </instance_attributes>
+      <channels>#xpointer(id("usi14") id("usi15") id("usi16") id("usi17") id("usi18"))</channels>
+      <submatrices>#xpointer(id("usi24") id("usi25") id("usi26") id("usi27") id("usi28"))</submatrices>
+    </tdm_channelgroup>
+    <tdm_channelgroup id="usi13">
+      <name>Frequencies</name>
+      <description>Sine signals of various frequencies.</description>
+      <root>#xpointer(id("usi11"))</root>
+      <instance_attributes>
+        <double_attribute name="Amplitude">1</double_attribute>
+      </instance_attributes>
+      <channels>#xpointer(id("usi19") id("usi20") id("usi21") id("usi22") id("usi23"))</channels>
+      <submatrices>#xpointer(id("usi29") id("usi30") id("usi31") id("usi32") id("usi33"))</submatrices>
+    </tdm_channelgroup>
+    <tdm_channel id="usi14">
+      <name>A = 1</name>
+      <group>#xpointer(id("usi12"))</group>
+      <datatype>DT_DOUBLE</datatype>
+      <minimum>-0.999997146387718</minimum>
+      <maximum>0.999999682931835</maximum>
+      <instance_attributes>
+        <long_attribute name="NI_ArrayColumn">0</long_attribute>
+        <long_attribute name="NI_ChannelLength">1000</long_attribute>
+        <long_attribute name="NI_DataType">10</long_attribute>
+      </instance_attributes>
+      <local_columns>#xpointer(id("usi34"))</local_columns>
+    </tdm_channel>
+    <tdm_channel id="usi15">
+      <name>A = 2</name>
+      <group>#xpointer(id("usi12"))</group>
+      <datatype>DT_DOUBLE</datatype>
+      <minimum>-1.99999429277544</minimum>
+      <maximum>1.99999936586367</maximum>
+      <instance_attributes>
+        <long_attribute name="NI_ArrayColumn">1</long_attribute>
+        <long_attribute name="NI_ChannelLength">1000</long_attribute>
+        <long_attribute name="NI_DataType">10</long_attribute>
+      </instance_attributes>
+      <local_columns>#xpointer(id("usi35"))</local_columns>
+    </tdm_channel>
+    <tdm_channel id="usi16">
+      <name>A = 4</name>
+      <group>#xpointer(id("usi12"))</group>
+      <datatype>DT_DOUBLE</datatype>
+      <minimum>-3.99998858555087</minimum>
+      <maximum>3.99999873172734</maximum>
+      <instance_attributes>
+        <long_attribute name="NI_ArrayColumn">2</long_attribute>
+        <long_attribute name="NI_ChannelLength">1000</long_attribute>
+        <long_attribute name="NI_DataType">10</long_attribute>
+      </instance_attributes>
+      <local_columns>#xpointer(id("usi36"))</local_columns>
+    </tdm_channel>
+    <tdm_channel id="usi17">
+      <name>A = 8</name>
+      <group>#xpointer(id("usi12"))</group>
+      <datatype>DT_DOUBLE</datatype>
+      <minimum>-7.99997717110174</minimum>
+      <maximum>7.99999746345468</maximum>
+      <instance_attributes>
+        <long_attribute name="NI_ArrayColumn">3</long_attribute>
+        <long_attribute name="NI_ChannelLength">1000</long_attribute>
+        <long_attribute name="NI_DataType">10</long_attribute>
+      </instance_attributes>
+      <local_columns>#xpointer(id("usi37"))</local_columns>
+    </tdm_channel>
+    <tdm_channel id="usi18">
+      <name>A = 16</name>
+      <group>#xpointer(id("usi12"))</group>
+      <datatype>DT_DOUBLE</datatype>
+      <minimum>-15.9999543422035</minimum>
+      <maximum>15.9999949269094</maximum>
+      <instance_attributes>
+        <long_attribute name="NI_ArrayColumn">4</long_attribute>
+        <long_attribute name="NI_ChannelLength">1000</long_attribute>
+        <long_attribute name="NI_DataType">10</long_attribute>
+      </instance_attributes>
+      <local_columns>#xpointer(id("usi38"))</local_columns>
+    </tdm_channel>
+    <tdm_channel id="usi19">
+      <name>F = 1</name>
+      <group>#xpointer(id("usi13"))</group>
+      <datatype>DT_DOUBLE</datatype>
+      <minimum>-0.999997146387718</minimum>
+      <maximum>0.999999682931835</maximum>
+      <instance_attributes>
+        <long_attribute name="NI_ArrayColumn">0</long_attribute>
+        <long_attribute name="NI_ChannelLength">1000</long_attribute>
+        <long_attribute name="NI_DataType">10</long_attribute>
+      </instance_attributes>
+      <local_columns>#xpointer(id("usi39"))</local_columns>
+    </tdm_channel>
+    <tdm_channel id="usi20">
+      <name>F = 2</name>
+      <group>#xpointer(id("usi13"))</group>
+      <datatype>DT_DOUBLE</datatype>
+      <minimum>-0.999999230697499</minimum>
+      <maximum>0.999995986891472</maximum>
+      <instance_attributes>
+        <long_attribute name="NI_ArrayColumn">1</long_attribute>
+        <long_attribute name="NI_ChannelLength">1000</long_attribute>
+        <long_attribute name="NI_DataType">10</long_attribute>
+      </instance_attributes>
+      <local_columns>#xpointer(id("usi40"))</local_columns>
+    </tdm_channel>
+    <tdm_channel id="usi21">
+      <name>F = 4</name>
+      <group>#xpointer(id("usi13"))</group>
+      <datatype>DT_DOUBLE</datatype>
+      <minimum>-0.999999230697499</minimum>
+      <maximum>0.99994907791452</maximum>
+      <instance_attributes>
+        <long_attribute name="NI_ArrayColumn">2</long_attribute>
+        <long_attribute name="NI_ChannelLength">1000</long_attribute>
+        <long_attribute name="NI_DataType">10</long_attribute>
+      </instance_attributes>
+      <local_columns>#xpointer(id("usi41"))</local_columns>
+    </tdm_channel>
+    <tdm_channel id="usi22">
+      <name>F = 8</name>
+      <group>#xpointer(id("usi13"))</group>
+      <datatype>DT_DOUBLE</datatype>
+      <minimum>-0.999999230697499</minimum>
+      <maximum>0.999996490345607</maximum>
+      <instance_attributes>
+        <long_attribute name="NI_ArrayColumn">3</long_attribute>
+        <long_attribute name="NI_ChannelLength">1000</long_attribute>
+        <long_attribute name="NI_DataType">10</long_attribute>
+      </instance_attributes>
+      <local_columns>#xpointer(id("usi42"))</local_columns>
+    </tdm_channel>
+    <tdm_channel id="usi23">
+      <name>F = 16</name>
+      <group>#xpointer(id("usi13"))</group>
+      <datatype>DT_DOUBLE</datatype>
+      <minimum>-0.999999230697499</minimum>
+      <maximum>0.999993076284592</maximum>
+      <instance_attributes>
+        <long_attribute name="NI_ArrayColumn">4</long_attribute>
+        <long_attribute name="NI_ChannelLength">1000</long_attribute>
+        <long_attribute name="NI_DataType">10</long_attribute>
+      </instance_attributes>
+      <local_columns>#xpointer(id("usi43"))</local_columns>
+    </tdm_channel>
+    <submatrix id="usi24">
+      <name>Untitled</name>
+      <measurement>#xpointer(id("usi12"))</measurement>
+      <number_of_rows>1000</number_of_rows>
+      <local_columns>#xpointer(id("usi34"))</local_columns>
+    </submatrix>
+    <submatrix id="usi25">
+      <name>Untitled</name>
+      <measurement>#xpointer(id("usi12"))</measurement>
+      <number_of_rows>1000</number_of_rows>
+      <local_columns>#xpointer(id("usi35"))</local_columns>
+    </submatrix>
+    <submatrix id="usi26">
+      <name>Untitled</name>
+      <measurement>#xpointer(id("usi12"))</measurement>
+      <number_of_rows>1000</number_of_rows>
+      <local_columns>#xpointer(id("usi36"))</local_columns>
+    </submatrix>
+    <submatrix id="usi27">
+      <name>Untitled</name>
+      <measurement>#xpointer(id("usi12"))</measurement>
+      <number_of_rows>1000</number_of_rows>
+      <local_columns>#xpointer(id("usi37"))</local_columns>
+    </submatrix>
+    <submatrix id="usi28">
+      <name>Untitled</name>
+      <measurement>#xpointer(id("usi12"))</measurement>
+      <number_of_rows>1000</number_of_rows>
+      <local_columns>#xpointer(id("usi38"))</local_columns>
+    </submatrix>
+    <submatrix id="usi29">
+      <name>Untitled</name>
+      <measurement>#xpointer(id("usi13"))</measurement>
+      <number_of_rows>1000</number_of_rows>
+      <local_columns>#xpointer(id("usi39"))</local_columns>
+    </submatrix>
+    <submatrix id="usi30">
+      <name>Untitled</name>
+      <measurement>#xpointer(id("usi13"))</measurement>
+      <number_of_rows>1000</number_of_rows>
+      <local_columns>#xpointer(id("usi40"))</local_columns>
+    </submatrix>
+    <submatrix id="usi31">
+      <name>Untitled</name>
+      <measurement>#xpointer(id("usi13"))</measurement>
+      <number_of_rows>1000</number_of_rows>
+      <local_columns>#xpointer(id("usi41"))</local_columns>
+    </submatrix>
+    <submatrix id="usi32">
+      <name>Untitled</name>
+      <measurement>#xpointer(id("usi13"))</measurement>
+      <number_of_rows>1000</number_of_rows>
+      <local_columns>#xpointer(id("usi42"))</local_columns>
+    </submatrix>
+    <submatrix id="usi33">
+      <name>Untitled</name>
+      <measurement>#xpointer(id("usi13"))</measurement>
+      <number_of_rows>1000</number_of_rows>
+      <local_columns>#xpointer(id("usi43"))</local_columns>
+    </submatrix>
+    <localcolumn id="usi34">
+      <name>Untitled</name>
+      <measurement_quantity>#xpointer(id("usi14"))</measurement_quantity>
+      <submatrix>#xpointer(id("usi24"))</submatrix>
+      <global_flag>15</global_flag>
+      <independent>0</independent>
+      <sequence_representation>explicit</sequence_representation>
+      <values>#xpointer(id("usi1"))</values>
+    </localcolumn>
+    <localcolumn id="usi35">
+      <name>Untitled</name>
+      <measurement_quantity>#xpointer(id("usi15"))</measurement_quantity>
+      <submatrix>#xpointer(id("usi25"))</submatrix>
+      <global_flag>15</global_flag>
+      <independent>0</independent>
+      <sequence_representation>explicit</sequence_representation>
+      <values>#xpointer(id("usi2"))</values>
+    </localcolumn>
+    <localcolumn id="usi36">
+      <name>Untitled</name>
+      <measurement_quantity>#xpointer(id("usi16"))</measurement_quantity>
+      <submatrix>#xpointer(id("usi26"))</submatrix>
+      <global_flag>15</global_flag>
+      <independent>0</independent>
+      <sequence_representation>explicit</sequence_representation>
+      <values>#xpointer(id("usi3"))</values>
+    </localcolumn>
+    <localcolumn id="usi37">
+      <name>Untitled</name>
+      <measurement_quantity>#xpointer(id("usi17"))</measurement_quantity>
+      <submatrix>#xpointer(id("usi27"))</submatrix>
+      <global_flag>15</global_flag>
+      <independent>0</independent>
+      <sequence_representation>explicit</sequence_representation>
+      <values>#xpointer(id("usi4"))</values>
+    </localcolumn>
+    <localcolumn id="usi38">
+      <name>Untitled</name>
+      <measurement_quantity>#xpointer(id("usi18"))</measurement_quantity>
+      <submatrix>#xpointer(id("usi28"))</submatrix>
+      <global_flag>15</global_flag>
+      <independent>0</independent>
+      <sequence_representation>explicit</sequence_representation>
+      <values>#xpointer(id("usi5"))</values>
+    </localcolumn>
+    <localcolumn id="usi39">
+      <name>Untitled</name>
+      <measurement_quantity>#xpointer(id("usi19"))</measurement_quantity>
+      <submatrix>#xpointer(id("usi29"))</submatrix>
+      <global_flag>15</global_flag>
+      <independent>0</independent>
+      <sequence_representation>explicit</sequence_representation>
+      <values>#xpointer(id("usi6"))</values>
+    </localcolumn>
+    <localcolumn id="usi40">
+      <name>Untitled</name>
+      <measurement_quantity>#xpointer(id("usi20"))</measurement_quantity>
+      <submatrix>#xpointer(id("usi30"))</submatrix>
+      <global_flag>15</global_flag>
+      <independent>0</independent>
+      <sequence_representation>explicit</sequence_representation>
+      <values>#xpointer(id("usi7"))</values>
+    </localcolumn>
+    <localcolumn id="usi41">
+      <name>Untitled</name>
+      <measurement_quantity>#xpointer(id("usi21"))</measurement_quantity>
+      <submatrix>#xpointer(id("usi31"))</submatrix>
+      <global_flag>15</global_flag>
+      <independent>0</independent>
+      <sequence_representation>explicit</sequence_representation>
+      <values>#xpointer(id("usi8"))</values>
+    </localcolumn>
+    <localcolumn id="usi42">
+      <name>Untitled</name>
+      <measurement_quantity>#xpointer(id("usi22"))</measurement_quantity>
+      <submatrix>#xpointer(id("usi32"))</submatrix>
+      <global_flag>15</global_flag>
+      <independent>0</independent>
+      <sequence_representation>explicit</sequence_representation>
+      <values>#xpointer(id("usi9"))</values>
+    </localcolumn>
+    <localcolumn id="usi43">
+      <name>Untitled</name>
+      <measurement_quantity>#xpointer(id("usi23"))</measurement_quantity>
+      <submatrix>#xpointer(id("usi33"))</submatrix>
+      <global_flag>15</global_flag>
+      <independent>0</independent>
+      <sequence_representation>explicit</sequence_representation>
+      <values>#xpointer(id("usi10"))</values>
+    </localcolumn>
+  </usi:data>
+
+</usi:tdm>

samples/swapbyteorder.cpp

@@ -0,0 +1,63 @@
+
+#include <iostream>
+#include <fstream>
+#include <iterator>
+#include <vector>
+
+int main(int argc, char* argv[])
+{
+  for ( int i = 0; i < argc; i++ )
+  {
+    std::cout<<argv[i]<<"\n";
+  }
+  if ( argc < 3 )
+  {
+    std::cout<<"missing file argument\n";
+    return 1;
+  }
+
+  std::ifstream fin(argv[1],std::ifstream::binary);
+
+  std::vector<unsigned char> tdxbuf((std::istreambuf_iterator<char>(fin)),
+                                    (std::istreambuf_iterator<char>()));
+
+  fin.close();
+
+  std::cout<<"length of buffer: "<<tdxbuf.size()<<"\n";
+                                      
+
+  unsigned long int dtsize = 8;
+
+  if ( tdxbuf.size()%dtsize != 0 )
+  {
+    std::cout<<"mismatch between datatype size and length of buffer\n";
+    return 1;
+  }
+  
+
+  unsigned long int nums = tdxbuf.size()/dtsize;
+  
+  std::cout<<"number of entities: "<<nums<<"\n";
+
+  std::vector<unsigned char> tdxbufrev(tdxbuf.size());
+
+  for ( unsigned long int i = 0; i < nums; i++ )
+  {
+    for ( unsigned long int j = 0; j < dtsize; j++ )
+    {
+      tdxbufrev[i*dtsize+j] = tdxbuf[(i+1)*dtsize-(j+1)];
+    }
+  }
+
+  std::ofstream fou(argv[2],std::ifstream::binary);
+
+  for ( unsigned char ch: tdxbufrev)
+  {
+    fou<<ch;
+  }
+
+  fou.close();
+
+  return 0;
+}
+